Queens Park Rangers manager
Julio Cesar's arrival will more than likely mean that Green loses his number one spot after just three games after his northern summer arrival from West Ham United.
"I haven't had a chance to really talk to him about it," Hughes said.
"Obviously I was concerned with the preparation for the game, but certainly I will sit down with Rob and go through it.
"It is a challenge for everybody. What we're trying to do here is improve the quality of the group and that includes the goalkeeping position as well.
"I said I wanted to have two quality keepers this window if at all possible. Sometimes when opportunities present itself you want to pursue them.
"When you get an opportunity to possibly bring a player of
"I think when we started the process we probably never thought there was an opportunity or chance he would be able to come here. If we are able to conclude it, we'll be delighted."
Hughes also revealed
"The Marseille ordeal may not be dead in the water," the Welshman said.
"We might be able to get a solution for everybody. This option has attracted Joey's enthusiasm so hopefully it is concluded."
Socceroos midfielder Carl Valeri will play Serie A football for the first time after Sassuolo claimed a maiden Serie B title with a 1-0 victory over third place Livorno.